package com.brianway.learning.java.multithread.communication.example15;
/**
* Created by Brian on 2016/4/14.
*/
/**
* 188
* 方法join后面的代码提前运行
*/
public class Run15_joinMore {
public static void main(String[] args) {
try {
ThreadB b = new ThreadB();
ThreadA a = new ThreadA(b);
a.start();
b.start();
b.join(1000);
//for(int i =0;i<100000000;i++){
// if(i%1000000==0)System.out.print(i);
//}
System.out.println();
System.out.println("main end timer=" + System.currentTimeMillis() + " threadName=" + Thread.currentThread().getName());
} catch (InterruptedException e) {
e.printStackTrace();
}
}
static class ThreadA extends Thread {
private ThreadB b;
public ThreadA(ThreadB b) {
super();
this.b = b;
}
@Override
public void run() {
try {
synchronized (b) {
System.out.println("A begin timer=" + System.currentTimeMillis() + " threadName=" + Thread.currentThread().getName());
Thread.sleep(3000);
System.out.println("A end timer=" + System.currentTimeMillis() + " threadName=" + Thread.currentThread().getName());
}
} catch (InterruptedException e) {
e.printStackTrace();
}
}
}
static class ThreadB extends Thread {
@Override
synchronized public void run() {
try {
System.out.println("B begin timer=" + System.currentTimeMillis() + " threadName=" + Thread.currentThread().getName());
Thread.sleep(3000);
System.out.println("B end timer=" + System.currentTimeMillis() + " threadName=" + Thread.currentThread().getName());
} catch (InterruptedException e) {
e.printStackTrace();
}
}
}
}
/*
输出：
A begin timer=1460639887068 threadName=Thread-1
A end timer=1460639890069 threadName=Thread-1
B begin timer=1460639890069 threadName=Thread-0
main end timer=1460639890069 threadName=main
B end timer=1460639893069 threadName=Thread-0
---------------------------
A begin timer=1460639939829 threadName=Thread-1
A end timer=1460639942830 threadName=Thread-1
main end timer=1460639942830 threadName=main
B begin timer=1460639942830 threadName=Thread-0
B end timer=1460639945830 threadName=Thread-0
*/